A mobile device includes a drive element, a first battery which outputs power, and a supplying unit which supplies the power output by the first battery or power output by a second battery to the drive element, in which the supplying unit prioritizes supplying of the power output by the second battery to the drive element over the power output by the first battery.
Legal claims defining the scope of protection. Each claim is shown in both the original legal language and a plain English translation.
1. A mobile device comprising: a drive element; a first battery which outputs power; a supplying unit which supplies the power output by the first battery or power output by a second battery to the drive element; and a booster unit which boosts a voltage of the first battery to a first drive voltage that is lower than a voltage of the second battery when the voltage of the second battery is greater than or equal to a first voltage for driving the drive element, wherein the supplying unit prioritizes supplying of the power output by the second battery to the drive element over the power output by the first battery, and the supplying unit supplies the power output by the second battery to the drive element when the voltage of the second battery is greater than or equal to the first voltage.
2. The mobile device according to claim 1 , wherein the second battery is attachable and detachable with respect to the mobile device.
A mobile device includes a primary battery and a secondary battery that can be physically attached and detached from the device. The secondary battery is designed to provide additional power when needed, allowing the device to operate for extended periods without recharging the primary battery. The secondary battery can be easily removed and replaced, enabling users to swap out depleted batteries for fully charged ones, ensuring continuous device functionality. This modular design enhances flexibility, as users can carry spare batteries and replace them as needed, particularly in situations where access to a power source is limited. The secondary battery may also be designed to integrate seamlessly with the device, ensuring stable power delivery while maintaining portability. This solution addresses the common issue of limited battery life in mobile devices by providing an expandable power system that can be customized based on user needs. The detachable nature of the secondary battery allows for easy maintenance, upgrades, or replacement, further improving the device's longevity and usability.
3. The mobile device according to claim 1 , wherein the booster unit boosts the voltage of the first battery to a second drive voltage that is greater than or equal to the first voltage when the voltage of the second battery is less than the first voltage, and the supplying unit supplies the power output by the first battery to the drive element when the voltage of the second battery is less than the first voltage.
A mobile device includes a first battery, a second battery, a booster unit, and a supplying unit. The booster unit increases the voltage of the first battery to a second drive voltage that is equal to or higher than a first voltage when the second battery's voltage is lower than the first voltage. The supplying unit then provides power from the first battery to a drive element under these conditions. This ensures continuous operation of the drive element even when the second battery's voltage is insufficient. The first battery may be a primary battery, while the second battery is a secondary battery. The booster unit adjusts the voltage to maintain stable power delivery, and the supplying unit controls power distribution to prioritize critical components. This system enhances reliability by compensating for voltage drops in the secondary battery, ensuring uninterrupted functionality of the drive element. The design is particularly useful in devices where power stability is critical, such as medical equipment, industrial tools, or portable electronics.
4. The mobile device according to claim 1 , wherein a maximum capacity of the second battery is greater than a maximum capacity of the first battery.
A mobile device includes a first battery and a second battery, where the second battery has a greater maximum capacity than the first battery. The device is designed to manage power distribution between the two batteries to optimize performance and longevity. The first battery, typically smaller, may be used for primary power delivery, while the second battery, with higher capacity, serves as a secondary or backup power source. The system may include a controller that monitors battery levels, switches between batteries based on usage conditions, and ensures efficient charging and discharging cycles. This configuration allows the device to maintain operation during high-power demands while extending overall battery life. The design addresses the challenge of balancing power delivery and longevity in mobile devices, particularly in scenarios requiring sustained performance or frequent charging. The larger second battery provides additional energy reserves, reducing the risk of sudden power loss and improving reliability. The system may also incorporate features like thermal management and adaptive charging to further enhance battery efficiency and safety. This approach is particularly useful in devices where uninterrupted operation is critical, such as smartphones, tablets, or portable computing devices.
5. The mobile device according to claim 1 , wherein the voltage of the first battery is lower than the first voltage, the supplying unit includes a node shared by a first path through which power is supplied from the first battery to the drive element and a second path through which power is supplied from the second battery to the drive element, and a diode provided on the first path, an anode of the diode being electrically coupled to the booster unit and a cathode of the diode being electrically coupled to the node, and the booster unit is provided on the first path.
This invention relates to mobile devices with dual battery systems designed to optimize power management. The problem addressed is ensuring reliable power supply to a drive element (e.g., a processor or display) when the primary battery voltage drops below a threshold, while maintaining efficient energy distribution from both batteries. The mobile device includes a first battery, a second battery, and a supplying unit that manages power delivery to the drive element. The first battery has a voltage lower than a predefined threshold (first voltage), while the second battery operates at a higher voltage. The supplying unit features a shared node connecting two power paths: a first path from the first battery and a second path from the second battery. A diode is placed on the first path, with its anode connected to a booster unit and its cathode linked to the shared node. The booster unit, located on the first path, boosts the first battery's voltage to match the drive element's requirements. The diode ensures unidirectional current flow, preventing backfeeding from the second battery into the booster unit. This design allows seamless switching between batteries while maintaining stable power delivery to the drive element, even when the first battery's voltage is insufficient. The system prioritizes the second battery for power supply but automatically compensates using the booster unit when needed.
6. The mobile device according to claim 5 , wherein the node is bus wiring.
A mobile device is configured to communicate with a node in a network, where the node is bus wiring. The device includes a communication module that transmits and receives data signals over the bus wiring, allowing it to interact with other devices connected to the same network. The communication module may use a specific communication protocol, such as a bus-based protocol, to ensure compatibility with the bus wiring infrastructure. The device may also include a processing unit that processes the received data signals and generates response signals for transmission. Additionally, the device may have a power management system that regulates power consumption during communication to optimize energy efficiency. The bus wiring serves as a shared communication medium, enabling multiple devices to exchange data efficiently within the network. This setup allows the mobile device to integrate seamlessly into existing bus wiring systems, facilitating communication with other connected devices without requiring additional dedicated wiring. The invention addresses the need for efficient and scalable communication in environments where bus wiring is already in place, reducing installation complexity and cost.
7. The mobile device according to claim 1 , wherein the drive element includes a notification unit which performs notification of a capacity of the second battery.
A mobile device includes a first battery and a second battery, where the second battery is configured to supply power to the device when the first battery is depleted. The device has a drive element that manages power distribution between the batteries. The drive element includes a notification unit that alerts the user about the remaining capacity of the second battery. This ensures the user is aware of the backup power status, preventing unexpected power loss. The notification unit may provide alerts through visual, auditory, or haptic signals, depending on the device's capabilities. The system may also include a charging circuit to recharge the second battery when the first battery is being charged, ensuring continuous power availability. The drive element may further monitor the state of charge of both batteries and optimize power usage to extend the device's operational time. This design is particularly useful in mobile devices where uninterrupted power is critical, such as smartphones, tablets, or portable medical devices. The notification feature helps users manage power consumption effectively, avoiding situations where the device shuts down due to insufficient backup power.
8. The mobile device according to claim 1 , further comprising: a first processor which controls the drive element; and power wiring which electrically couples the first processor, the first battery, and the second battery to one another, wherein a wiring length between the first processor and the first battery in the power wiring is shorter than a wiring length between the first processor and the second battery in the power wiring, and a wiring length between the second battery and the first battery in the power wiring is shorter than a wiring length between the second battery and the first processor in the power wiring.
A mobile device includes a first battery, a second battery, and a drive element powered by these batteries. The device also has a first processor that controls the drive element and power wiring that connects the first processor, the first battery, and the second battery. The wiring is arranged such that the electrical path between the first processor and the first battery is shorter than the path between the first processor and the second battery. Additionally, the wiring between the second battery and the first battery is shorter than the path between the second battery and the first processor. This configuration optimizes power distribution by prioritizing direct connections between frequently interacting components, reducing resistance and improving efficiency. The first battery may be a primary power source, while the second battery serves as a secondary or backup power source. The drive element could be a motor, display, or other power-consuming component, and the first processor manages its operation. The wiring layout minimizes energy loss and ensures reliable power delivery, particularly in high-demand scenarios. This design is useful in portable electronics where power management is critical.
9. The mobile device according to claim 1 , further comprising: a first processor which controls the drive element; and a second processor having a smaller power consumption than the first processor, wherein a sum of a distance between the first processor and the first battery and a distance between the first processor and the second battery is greater than a sum of a distance between the second processor and the first battery and a distance between the second processor and the second battery.
A mobile device includes multiple processors and batteries to optimize power efficiency and performance. The device has a first processor that controls a drive element, such as a motor or actuator, and a second processor with lower power consumption. The processors are positioned relative to two batteries to minimize power loss during operation. Specifically, the second processor is placed closer to both batteries than the first processor, reducing the total distance to the power sources. This arrangement ensures that the low-power processor, which may be active more frequently, operates with lower energy loss due to shorter electrical paths. The first processor, which may handle more intensive tasks, is positioned farther from the batteries, balancing performance and efficiency. The design aims to extend battery life by reducing power dissipation in conductive paths, particularly for the processor that is more frequently active. The system may also include additional components like sensors or communication modules, which may be controlled by either processor depending on their power requirements. The overall configuration ensures that the device maintains functionality while optimizing energy usage.
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September 19, 2019
February 1, 2022
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